Second Battle of Ypres (apr 22, 1915 – may 25, 1916)
Description:
The first use of major chemical warfare in the war. The allies lost nearly double the amount of troops. More than half of the troups that were affected by gas died in the first 10 minutes.Added to timeline:
Date:
apr 22, 1915
may 25, 1916
~ 1 years